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Pipe size for hot water

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  • 01-04-2018 5:54pm
    #1
    oliboni.n.lee
    Registered Users Posts: 8 ✭


    Hi, i am replacing some pipes at home and a bit confused about size.

    1 - need to replace old pipe from the main source of cold water to kitchen tap and water tank. What size of pipe and specifications?

    2 - Need to replace pipe from hot water cylinder to kitchen hot tap. Which size and specifications?
    Tagged:


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    #2
    my3cents
    Closed Accounts Posts: 9,764 ✭✭✭my3cents


    Given the lack of replies from actual plumbers here's my answer right or wrong.

    1 - 1/2 inch. Its under mains pressure so hopefully good flow rate and your supply is probably only 1/2 inch anyway

    2 - many are done in 1/2 inch but if you have a low head of water (low pressure) 3/4 inch would be better.

    Both can be qualpex but the first meter of pipe from the HWC should be in copper.


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